I can realate to #6...
On #15 when you put the ziptie one, fold the ziptie over, cut off the extra, and put fuel tubing over it.
-Always look for cars (1:1) before doing a pass. Don't get too close to cars when racing them.
I was racing a car with my evader and got too close and while it didn't get run over, it flipped and tumbled and in the process it banged against the side of the car and the people got out. they weren't all that mad, but just think if they were....